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                                                                   EXHIBIT 23.2A
 
              INDEPENDENT AUDITORS' CONSENT AND REPORT ON SCHEDULE
 
To the Board of Directors and Stockholders of
Viewlogic Systems, Inc.
Marlboro, Massachusetts
 
     We consent to the use in this Registration Statement of Synopsys, Inc. on
Form S-4 of our report dated January 29, 1997 (February 19, 1997 as to the
second paragraph of Note 3), appearing in the Prospectus, which is a part of
this Registration Statement, and to the references to us under the headings
"Experts" in such Prospectus.
 
     Our audits of the financial statements referred to in our aforementioned
report also included the financial statement schedule of Viewlogic Systems,
Inc., listed in Item 21(b). This financial statement schedule is the
responsibility of the Corporation's management. Our responsibility is to express
an opinion based on our audits. In our opinion, such financial statement
schedule, when considered in relation to the basic financial statements taken as
a whole, present fairly in all material respects the information set forth
therein.
 
DELOITTE & TOUCHE LLP
 
Boston, Massachusetts
November 6, 1997